Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c
index 30ec77a..6d613f2 100644
--- a/drivers/input/misc/rotary_encoder.c
+++ b/drivers/input/misc/rotary_encoder.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * rotary_encoder.c
  *
@@ -8,10 +9,6 @@
  *
  * A generic driver for rotary encoders connected to GPIO lines.
  * See file:Documentation/input/devices/rotary-encoder.rst for more information
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <linux/kernel.h>
@@ -240,8 +237,10 @@
 
 	encoder->gpios = devm_gpiod_get_array(dev, NULL, GPIOD_IN);
 	if (IS_ERR(encoder->gpios)) {
-		dev_err(dev, "unable to get gpios\n");
-		return PTR_ERR(encoder->gpios);
+		err = PTR_ERR(encoder->gpios);
+		if (err != -EPROBE_DEFER)
+			dev_err(dev, "unable to get gpios: %d\n", err);
+		return err;
 	}
 	if (encoder->gpios->ndescs < 2) {
 		dev_err(dev, "not enough gpios found\n");